methyl 17ζ-hydroxy-12-methoxy-4β-methoxymethyl-4α,17ζ-dimethyl-18-nor-5α-androsta-8,11,13-triene-16ζ-carboxylate 在
盐酸 作用下,
以
甲醇 为溶剂,
反应 0.25h,
以90%的产率得到methyl 12-methoxy-4β-methoxymethyl-4α,17-dimethyl-18-nor-5α-androsta-8,11,13,16-tetraene-16-carboxylate